static void *core_thread(void *p)
{
    struct MPContext *mpctx = p;

    mpthread_set_name("mpv core");

    while (!mpctx->initialized && mpctx->stop_play != PT_QUIT)
        mp_idle(mpctx);

    if (mpctx->initialized)
        mp_play_files(mpctx);

    // This actually waits until all clients are gone before actually
    // destroying mpctx. Actual destruction is done by whatever destroys
    // the last mpv_handle.
    mp_shutdown_clients(mpctx);

    return NULL;
}